MakeItFrom.com
Menu (ESC)

C84000 Brass vs. C85900 Brass

Both C84000 brass and C85900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is C84000 brass and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
85
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 27
30
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 250
460
Tensile Strength: Yield (Proof), MPa 140
190

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1040
830
Melting Onset (Solidus), °C 940
790
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 72
89
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
25
Electrical Conductivity: Equal Weight (Specific), % IACS 17
28

Otherwise Unclassified Properties

Base Metal Price, % relative 30
24
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 49
49
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
110
Resilience: Unit (Modulus of Resilience), kJ/m3 83
170
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.2
16
Strength to Weight: Bending, points 10
17
Thermal Diffusivity, mm2/s 22
29
Thermal Shock Resistance, points 9.0
16

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.1 to 0.6
Antimony (Sb), % 0 to 0.020
0 to 0.2
Boron (B), % 0 to 0.1
0 to 0.2
Copper (Cu), % 82 to 89
58 to 62
Iron (Fe), % 0 to 0.4
0 to 0.5
Lead (Pb), % 0 to 0.090
0 to 0.090
Manganese (Mn), % 0 to 0.010
0 to 0.010
Nickel (Ni), % 0.5 to 2.0
0 to 1.5
Phosphorus (P), % 0 to 0.050
0 to 0.010
Silicon (Si), % 0 to 0.0050
0 to 0.25
Sulfur (S), % 0.1 to 0.65
0.1 to 0.65
Tin (Sn), % 2.0 to 4.0
0 to 1.5
Zinc (Zn), % 5.0 to 14
31 to 41
Zirconium (Zr), % 0 to 0.1
0 to 0.2
Residuals, % 0 to 0.7
0 to 0.7